From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by sourceware.org (Postfix) with ESMTPS id 0E5453858416 for ; Wed, 12 Jan 2022 06:41:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0E5453858416 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-x32d.google.com with SMTP id p1-20020a1c7401000000b00345c2d068bdso2790946wmc.3 for ; Tue, 11 Jan 2022 22:41:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=kLWFW2gpf0jdSt10PSkTHni/LHocVObnqxfUUQOIQ4g=; b=pwKqPRLwJkwoK+wtd9CHoOAFrrrpAbm7wqq/Uw5x2okzVQMyqbTatozxRG3xnzyNlG JLcD4VsRyt4pqbjzHTGbEoST5ZubYFJqlPzDaKYMnWRiVgRBF/vY4q3prIv3/FudKYFI vgZrpbC72+4/KwUJnbmh4nL4UqdOvJy/x8Zl0z4qO4ZpDgS4jCmEFktyjJhe84eYiYgT zQZei9dRs/b19JnqRifthDuJu0qDASks5xfV+eSEGVm4Rt1XgTXB0Iol1BA9AcdOt4jZ 6peCC3/DkdwH9Vuqe3bOfrsex8RCBg+7WvNe6qcv3c4HzGrWftHh6bhVO1MOl9rbOghG pLNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=kLWFW2gpf0jdSt10PSkTHni/LHocVObnqxfUUQOIQ4g=; b=wlXmaGuuB1TwbL5HJV0hzMr+1mnTqCSZ7f1K2JqVGinF3UgrxUJSKU9pvVmIKv9jxQ WQ7uv/02FUk8R/s5ZD3HNS/YpVyZEPRRNoLhucwgVCxvvDLU82HVqNto1+zMXQkqaAoz EYlTOxWN1d6BIhtc9hOwWsJ5ItwTBVLYmBFXYXIADsAxz+w+7mE0Ny2Ad1C/DVJ2Kt/F 1BTElmrSNQ1i411YLcex1qHnQx9FpFxjDi98xvXVuVeFJC0qa+1NvvRQ0nSPQUvMFvuv TW/rdLpVZ0ZVMO133FfLYz1X0l+Zp6LsnGum64OIapiIQOWdBQ/wn5HTKT6nFITvJqgu 6Qcw== X-Gm-Message-State: AOAM531IP/5NsW/nKj0CIleWtshZyTYUVga8zliMwQDux+Kvzu1Vpopd wXgloK+fI5mJIIkbUSER1vu3GwvQAOo= X-Google-Smtp-Source: ABdhPJwsm6iy2OT6luRJasfSM5U5t0VNNXC6Uuskurv/hwQIsKURGjKT8xJ4F5Up7PrOQGfUQi1GoQ== X-Received: by 2002:a7b:c34b:: with SMTP id l11mr5504666wmj.56.1641969702949; Tue, 11 Jan 2022 22:41:42 -0800 (PST) Received: from ?IPV6:2003:cc:9f2f:3e57:c57a:4a12:d739:cc11? (p200300cc9f2f3e57c57a4a12d739cc11.dip0.t-ipconnect.de. [2003:cc:9f2f:3e57:c57a:4a12:d739:cc11]) by smtp.gmail.com with ESMTPSA id 14sm12324679wry.23.2022.01.11.22.41.42 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Jan 2022 22:41:42 -0800 (PST) Message-ID: <9b20c19a-b075-1dd3-d9f3-8cf53c51b1e5@gmail.com> Date: Wed, 12 Jan 2022 07:41:41 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 Subject: Re: proc_waiter: error on read of child wait pipe 0x0, Win32 error 6 Content-Language: it To: cygwin@cygwin.com References: From: Marco Atzeri In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, KAM_NUMSUBJECT, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Jan 2022 06:41:45 -0000 On 12.01.2022 07:27, Jay K wrote: > Ok, here is a small demonstration of the problem. > > #include > #include > #include > > unsigned __stdcall thread(void* p) > { > unsigned i; > for (i = 0; i < 100; ++i) > system("./a.exe"); > return 0; > } > > int main() > { > unsigned i; > HANDLE threads[100] = {0}; > FILE* f = fopen("a.c", "w"); > fprintf(f, "int main() { return 0; }\n"); > fclose(f); so you are mixing Cygwin and Windows calls ? That is looking for trouble. Or it is a tentative to produce a test case ? Regards Marco